How Big is a Micron?
In the world of cleanrooms, we are used to talking about microns. If you ask the question “how big is a micron?” in our office, you will get the automatic response of, “a micron is one thousandth of a millimetre.”
![](https://angstromtechnology.co.uk/app/uploads/2023/09/Hero-Sizing-Convatec.png)
We know that its SI symbol is µm, that 1 micron can be written 10-6 and that you are allowed no more than 102,000 particles of size 0.3µm in an ISO Class 6 Cleanroom.
But how often do we actually think about how small a micron actually is? Take a look at the diagram to find out.
Given this microscopic level of environmental control, a classified clean environment can be a huge driver for creating a repeatable, mission critical environment.
![How big is a micron](https://angstromtechnology.co.uk/app/uploads/2023/09/Media-Card-Image-Sizing-80.png)
![Cleanroom Design](https://angstromtechnology.co.uk/app/uploads/2023/08/Render-Hero-Image.png)
![Cleanroom Design](https://angstromtechnology.co.uk/app/uploads/2023/08/GMP-Render.png)
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